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单词 pencil lead
释义
pencil lead
/ ?pensl li?d /
  • 简明释义
  • 铅笔芯:铅笔使用的材料(通常为黑色或深灰色)。通常是石墨和少量其他材料的混合物,但不是真正的铅。
  • 网络释义
  • 1

    ?铅笔芯

    ... 画家用刷(画笔) painters‘brushes 铅笔芯 pencil leads 铅笔套 pencil holders ...

短语
  • 双语例句
  • 1
    Windmills from old car parts and car batteries and artificial sunlight from carbon arc lamps using pencil leads is possible, however.
    可以从破旧的车辆里拆取风叶和蓄电池,再用铅笔芯制造弧光照明灯获取人工照明是有可能的。
  • 2
    In theory, at atmospheric pressure and lower temperature chemical changes are liable to take place that change diamond into graphite, similar to the stuff pencil leads are made of.
    理论上,在大气压及较低的压力下,化学物质的改变倾向于使钻石转变成石墨,与用于做铅笔芯的物质相似。
  • 3
    The pencil I carry in my back-back is a silver-plated Eversharp with propelling leads, which my mother left in her drawer when she died.
    我带在背包里的那支铅笔是“永利”牌镀银带可推动的铅笔头的,它是我母亲去世后留在她的抽屉里的。
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更新时间:2025/3/23 4:39:13